eprintid: 2904
rev_number: 7
eprint_status: archive
userid: 69
dir: disk0/00/00/29/04
datestamp: 2015-11-16 15:41:42
lastmod: 2015-11-16 15:41:42
status_changed: 2015-11-16 15:41:42
type: article
metadata_visibility: show
creators_name: Saracco, Fabio
creators_name: Tomasiello, Alessandro
creators_id: fabio.saracco@imtlucca.it
creators_id: 
title: Localized O6-plane solutions with Romans mass
ispublished: pub
subjects: QC
divisions: EIC
full_text_status: public
keywords: Flux compactifications, P-branes, D-branes, Superstring Vacua
abstract: Orientifold solutions have an unphysical region around their source; for the O6, the singularity is resolved in M-theory by the Atiyah-Hitchin metric. Massive IIA, however, does not admit an eleven-dimensional lift, and one wonders what happens to the O6 there. In this paper, we find evidence for the existence of localized (unsmeared) O6 solutions in presence of Romans mass, in the context of four-dimensional compactifications. As a first step, we show that for generic supersymmetric compactifications, the Bianchi identity for the F 4 RR field follows from constancy of F 0. Using this, we find a procedure to deform any O6-D6 Minkowski compactification at first order in F 0. For a single O6, some of the symmetries of the massless solution are broken, but what is left is still enough to obtain a system of ODEs with as many variables as equations. Numerical analysis indicates that Romans mass makes the unphysical region disappear.
date: 2012
date_type: published
publication: Journal of High Energy Physics
volume: 2012
number: 7
publisher: Springer-Verlag
id_number: 10.1007/JHEP07%282012%29077
refereed: TRUE
issn: 1029-8479
official_url: http://dx.doi.org/10.1007/JHEP07%282012%29077
citation:   Saracco, Fabio and Tomasiello, Alessandro  Localized O6-plane solutions with Romans mass.  Journal of High Energy Physics, 2012 (7).   ISSN 1029-8479      (2012)  
document_url: http://eprints.imtlucca.it/2904/1/1201.5378v1.pdf